Home / 15,632.03-21,571.71-8,558.03

Finding the Fourth Proportional to 15,632.03, 21,571.71 and 8,558.03

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Solution

The fourth proportional to 15,632.03, 21,571.71 and 8,558.03 is: 11,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.03 : 21,571.71 = 8,558.03 : x
  2. Step 2: Convert to fraction form
    15,632.03/21,571.71 = 8,558.03/x
  3. Step 3: Cross multiply
    15,632.03x = 21,571.71 × 8,558.03
  4. Step 4: Simplify right side
    15,632.03x = 184,611,341.33
  5. Step 5: Solve for x
    x = 184,611,341.33/15,632.03
  6. Step 6: Final answer
    x = 11,809.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.